Which statement is true?​

Ifurniture stores having a weekend sale and is offering 20% discount on patio chairs and table the sales tax on furniture is 6.25 using function composition how can you represent the total amount a that you would need to pay for this furniture that cost x dollars

What is the shape of the height and weight distribution

A. 127 cm^2 b. 144.5 cm^2 c. 172 cm^2 d. 50 cm^2